Waste collection vacuum



FIG. 1 is a front view of a waste collection vacuum showing my new design, the rear view being a mirror image;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top, front perspective view thereof.

The details shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a waste collection vacuum, as shown and described. 